This pods swab is used to keep your pods clean of dirt, paint, or anything else really. It may seem silly to clean your pods, but you should consider if they are dirty, all that grime and mess is eventually going to find its way into your markers breech, in which case you'll be cleaning it up anyways. Save yourself some time and use this pods swab after you're done playing for the day. The core is made of a strong injection molded plastic, and the cleaning portion is made of microfiber. The cleaning sleeve is removable and replaceable.